123220331331230 has 64 divisors (see below), whose sum is σ = 273456529960320. Its totient is φ = 39011631120384.

The previous prime is 123220331331217. The next prime is 123220331331241. The reversal of 123220331331230 is 32133133022321.

It is a junction number, because it is equal to n+sod(n) for n = 123220331331193 and 123220331331202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 976790675 + ... + 976916814.

It is an arithmetic number, because the mean of its divisors is an integer number (4272758280630).

Almost surely, 2^{123220331331230} is an apocalyptic number.

123220331331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123220331331230 is an abundant number, since it is smaller than the sum of its proper divisors (150236198629090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123220331331230 is a wasteful number, since it uses less digits than its factorization.

123220331331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953707573.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 123220331331230 its reverse (32133133022321), we get a palindrome (155353464353551).

The spelling of 123220331331230 in words is "one hundred twenty-three trillion, two hundred twenty billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred thirty".